21118+2943 HAU 27 (HD 201912)
21h 11m 48.53s +29° 42' 42.1" P.A. 297.00 sep 50.0 mag 6.81,10.12 Sp B5III dist. 277.01 pc (903.61 l.y.)
| Coord 2000 |
21118+2943 |
|
Discov num |
HAU 27 |
|
Comp |
|
|
Coord arcsec 2000 |
21 11 48.53 +29 42 42.1 |
|
| Date first |
1894 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
298 |
|
Pa last |
297.2 |
|
P.A. Now (θ) |
297.2° |
|
| Sep first |
49.1 |
|
Sep last |
50.025 |
|
Sep. Now (ρ) |
50.025" |
|
| Mag pri |
6.81 |
|
Mag sec |
10.12 |
|
delta mag (ΔM) |
3.31 |
|
Spectral class |
B5III (blue-white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=0.528
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 201912 |
|
Constellation |
Cygnus |
|
SAO |
89520 |
|
HIP |
104643 |
|
| Tycho2 |
2185-01987-1 |
|
Gaia DR2 |
1851523709407187328 |
|
HD |
201912 |
|
GC |
29633 |
|
| BD |
BD+29 4342 |
|
Distance |
277.01 |
|
Distance ly |
903.61 |
|
